Characters are a tool for recording language. The characters with letters as the basic unit is called alphabetic characters, and the characters with strokes as the basic unit is called stroke characters. Alphabetic characters and stroke characters originated from pictographs on pictures. They are two flowers, one for each. They are the advanced stage of human characters, with their own characteristics, but there is no difference between high and low in essence. Chinese characters are composed of strokes as the basic unit, and Chinese characters are stroke characters.